Seiko Cal. 6139 - 613

The Seiko 6139-613 represents an important milestone in Seiko's 1979 lineup. It features a Black dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-1fe58720c89d]

Also known as: Shogun, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1979

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